Home / 19,905.02-29,864.28-8,810.18

Finding the Fourth Proportional to 19,905.02, 29,864.28 and 8,810.18

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Solution

The fourth proportional to 19,905.02, 29,864.28 and 8,810.18 is: 13,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,905.02 : 29,864.28 = 8,810.18 : x
  2. Step 2: Convert to fraction form
    19,905.02/29,864.28 = 8,810.18/x
  3. Step 3: Cross multiply
    19,905.02x = 29,864.28 × 8,810.18
  4. Step 4: Simplify right side
    19,905.02x = 263,109,682.37
  5. Step 5: Solve for x
    x = 263,109,682.37/19,905.02
  6. Step 6: Final answer
    x = 13,218.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.